Features

• White sprayed all-aluminum alloy shell and aluminum mesh grille, rust-proof and with a sleek and compact design;
• The column fixing plate is made of milky white ABS integrated plastic plate, which resists mildew and extends service life;
• Adopts domestic integrated chips and Linux system, featuring excellent stability, security, portability and flexibility, which is incomparable to single-chip solutions;
• CPU: ARM Cortex A7 @ 900MHz;
• Audio Codec: Supports software codec, compatible with G.711, G.726, ADPCM, and audio 3A (AEC/ANR/AGC);
• Standard 1×10/100M RJ45 network communication interface, supporting LAN and WAN deployment;
• Built-in 1-channel network hardware audio decoding module, enabling real-time/timed music playback;
• Sampling rate adjustable in the background, allowing free selection of the highest sampling rate in the LAN for optimal sound quality (supports WAV 8K/16K/44.1K, AAC 16K/44.1K/48K optional);
• Background hardware resource monitoring, displaying CPU and memory usage ratio, and continuous running time;
• The device supports remote upgrade of standalone and batch units in LAN and WAN, facilitating efficient and fast customer service;
• Equipped with 3 high-fidelity 6.5-inch waterproof full-range units and 1 2.5-inch tweeter unit;
• Built-in high-power digital amplifier circuit, with delicate sound quality and strong power;
• Supports DC12V/24V wide voltage input, and can also be connected to DC12V/24V lead-acid batteries for power supply;
• Adopts high-efficiency D-class amplifier technology, with complete over-current, over-voltage, over-temperature and other protection functions;
• Rated power: 15W/30W/45W/60W (optional);
• The short-circuit signal input (phoenix terminals) is controlled by a platform to trigger the local alarm;
• The short-circuit signal output (phoenix terminals) is used to drive other linked devices;
• Multiple working modes such as timing playback, emergency playback, network playback and three-sound priority are supported;
• Standby power consumption less than 10W, meeting national energy-saving certification standards;
• Supports DHCP, compatible with routers, switches, Internet, multicast, unicast and any network topology;
• Supports 15KV ESD protection, built-in network isolation and lightning protection circuit;